From owner-freebsd-questions@FreeBSD.ORG  Wed Mar 23 19:50:50 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 84CF816A4CE; Wed, 23 Mar 2005 19:50:50 +0000 (GMT)
Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 056FC43D1F; Wed, 23 Mar 2005 19:50:50 +0000 (GMT)
	(envelope-from scottl@samsco.org)
Received: from [192.168.254.11] (junior-wifi.samsco.home [192.168.254.11])
	(authenticated bits=0)
	by pooker.samsco.org (8.13.1/8.13.1) with ESMTP id j2NJnPsQ069508;
	Wed, 23 Mar 2005 12:49:25 -0700 (MST)
	(envelope-from scottl@samsco.org)
Message-ID: <4241C7F0.4030108@samsco.org>
Date: Wed, 23 Mar 2005 12:48:00 -0700
From: Scott Long <scottl@samsco.org>
User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.5) Gecko/20050218
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: NMH <drumslayer2@yahoo.com>
References: <20050323193439.84859.qmail@web41804.mail.yahoo.com>
In-Reply-To: <20050323193439.84859.qmail@web41804.mail.yahoo.com>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
X-Spam-Status: No, score=-2.8 required=3.8 tests=ALL_TRUSTED autolearn=failed 
	version=3.0.2
X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on pooker.samsco.org
cc: questions <freebsd-questions@freebsd.org>
cc: amd <freebsd-amd64@freebsd.org>
Subject: Re: Panic With MPT driver on Opteron System
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 23 Mar 2005 19:50:50 -0000

NMH wrote:
> Hello
>  I am having a odd problem I hope someone can help
> with.
> 
>  I have a TYAN 2882 board with 4 gigs of memory and a
> single Opteron 248 Processor. I am using an Infortrend
> RAID controller that won't play nice with Adaptec at
> 320 speeds so I am using an LSI 1030 based PCI-X SCSI
> card instead of the built in Adaptec. Hence the mpt
> driver. The system is FreeBSD 5.4-PRERELEASE from
> March 2nd.
> 
>  The system runs very fast but when testing under
> somewhat heavy load the system will panic and freeze
> with: 
>  Panic: mpt_get_request: corrupted request free list
> (ccb)
>  It was also reported that when trying to do a ps auxw
> it would sometimes (never happened to me) report that
> it was out of inodes. Which is insane.
> 
>  A screen capture of the frozen console can be seen
> at:
> 
> http://pic2.picturetrail.com/VOL965/3391974/6964630/90153559.jpg
> 
>  This seems similiar to reports on both FreeBSD and
> NetBSD like:
> 
> http://mail-index.netbsd.org/netbsd-bugs/2004/03/03/0004.html
>  And 
> http://mail-index.netbsd.org/netbsd-bugs/2004/02/12/0003.html
>  And:
> http://lists.freebsd.org/pipermail/freebsd-scsi/2003-April/000058.html
> 
>  Any assistance would be appreciatted. 
> 
>  Thanks!
> 
>   N.
> 

I think that you're seeing the effects of the driver having extremely
broken error recovery.  This is a known problem, and a fix will likely
be going into the tree soon.

Scott